- European merchants began to participate directly in the commercial economy of the eastern hemisphere thanks to newly established, more highly sophisticated ports. Encouraged trade to central Asia, China, and India.
- Developed new agricultural techniques. Along with the horseshoe and the horsecollar, which allowed horses to pull heavier loads more effectively. They discovered new crops such as beans, limes, spinach, oranges, and melons. The expansion of arable lands increased crop yields. Also began experimenting with new crop cycle rotations as well. Realized animal dung very fertile.
- Development of the Hanseatic League meant a new trade network in both the North and Baltic seas.
- Developed Cathedral schools. Led to the beginning of universities.
- Crusades organized during this time.